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Discussing Need Help Please, Ignition Or Fuel Problems? in the 99-04 Forum. Heres my problem my car breaks up real bad at about 2800 rpm sounds like ... Modded Mustangs is the premier Ford Mustang Forum on the internet. We discuss all aspects of the Ford Mustang on the forum. Registered Users do not see the above ads. Please Register - It's Free! |
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September 15th, 2006, 06:59 PM
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Join Date: Jul 2006
Posts: 31
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Need Help Please, Ignition Or Fuel Problems?
Heres my problem my car breaks up real bad at about 2800 rpm sounds like crap then levels out after that. I had 19lb injectors when my new engine was assembled. Then I had it dyno tuned and 30lb injectors installed and still the same problem. I had TR6's in with the 19lb injectors and then TR55's with the 30lb. injectors. Took those out and put in Autolite Platinums and no change.
Could it be a backpressure problem or lack thereof? I've got longtubes w/slp x-pipe,freeflowing cats and loudmouth II's catback. Before the new engine build and without the longtubes the car ran fine. I'm stumped! FYI I have an 02 GT n/a with 10.5:1 forged internals,bigcams,ported heads,long tubes,75mm tb & plenum,30lb injectors,3000 stall,4.10's Any ideas would be GREATLY Appreciated. |
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